Immune System Basics
Which part of the immune system responds first to a new infection?
Innate immunity
Which hypersensitivity type is anaphylaxis?
Type I
Which white blood cell is primarily responsible for antibody production?
B lymphocyte
A patient develops hives after eating shellfish. What is your FIRST action?
Administer epinephrine
What is the MOST important infection prevention measure for immunocompromised patients?
Daily hand hygiene
What is the main function of cytotoxic T cells?
Kill virus-infected cells
Rheumatoid arthritis is an example of which immune problem?
Autoimmune disorder
Which vaccine type should be avoided in severely immunocompromised patients?
Live vaccines
Long-term corticosteroid therapy increases the risk of:
Infection
Which is NOT part of innate immunity?
Antibody production
HIV primarily destroys which type of immune cell?
Helper T cells (CD4)
When caring for a neutropenic patient, which is a priority?
Limit visitors
Which drug is often given to prevent organ transplant rejection?
Cyclosporine
A patient with HIV has a CD4 count of 180 cells/mm³. What does this indicate?
Severe immunodeficiency
Memory cells are formed after exposure to:
Adaptive immunity
Contact dermatitis from poison ivy is which hypersensitivity type?
Type IV
In suspected anaphylaxis, which is the PRIORITY nursing action after calling for help?
Start oxygen
A patient taking immunosuppressants should be taught to:
Avoid crowds
Which immunoglobulin increases during allergic reactions and parasitic infections?
IgE